Finding the Fourth Proportional to 385,203.08, 531,750.51 and 230,209.08
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Solution
The fourth proportional to 385,203.08, 531,750.51 and 230,209.08 is: 317,790.29
Step by Step Solution
- Step 1: Write the proportion equation
385,203.08 : 531,750.51 = 230,209.08 : x - Step 2: Convert to fraction form
385,203.08/531,750.51 = 230,209.08/x - Step 3: Cross multiply
385,203.08x = 531,750.51 × 230,209.08 - Step 4: Simplify right side
385,203.08x = 122,413,795,696.63 - Step 5: Solve for x
x = 122,413,795,696.63/385,203.08 - Step 6: Final answer
x = 317,790.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.